9405R-56

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Fixed inductors, also known as fixed coils, comprise a core material wound with wire to form an inductor with fixed inductance. The 9405R-56 is a fixed inductor that can be used in a number of applications to create a variety of functionalities. This article will explore the application fields and working principle of the 9405R-56 inductor.

The 9405R-56 fixed inductor is designed for use in battery-operated portable electronic devices, power supplies, and adaptors for telecommunications systems. It can handle current efficiently and provide a wide operating temperature range from -40°C to +125°C, making it suited for rugged environments. Commonly used in switched-mode DC/DC converters, the 9405R-56 is also suitable for traditional linear audio transformers and filters.

The 9405R-56 is a surface-mount inductor in a flame-retardant molded case. It has a total inductance of 56 µH and can handle up to 1.2 A of DC current, with a direct current resistance of 1.6 mOhm. It has an efficient return loss noise suppression of 40 dB, with a self-resonant frequency of 2.5 MHz and a typical parasitic capacitance of 0.6 pF.

The working principle of the 9405R-56 inductor is based on Faraday’s law of induction. When an alternating current (A/C) is passed through a coil, it creates an electromagnetic field to induce a voltage and an emf in a second coil. This voltage and emf are proportional to the rate of change of the primary (first) coil. This effect can be used to filter or step up or down A/C voltages in power supplies or other electronic systems.

The 9405R-56 uses this principle to generate an inductance of 56 µH, and is suitable for a range of tasks. Its efficient return noise suppression and high operating temperatures make it well-suited for use in portable electronic devices. It can also be used in linear audio transformers for non-switched audio applications. Furthermore, its low resistance and medium-low self-resonant frequency make it well-suited for use in switched-mode DC/DC converters.

In summary, the 9405R-56 fixed inductor is a suitable component for a variety of applications, ranging from power supplies to portable electronic devices. It uses Faraday’s law of induction to generate an inductance of 56 µH, and is well-suited for use in various applications thanks to its efficient noise suppression capability, its temperature range, and its low DC resistance. It is a reliable choice of component for a variety of applications.

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